Shaky closeE-mini S&P 500 FuturesCME_MINI_DL:ES1!DanGramzaThe canceling of the discussion with the US and Iran in Switzerland was canceled on Friday. This created some volatility for the S&P 500 half session of trading in the futures market. Even though buyers came in towards the end of the session, it is a shaky close going into this holiday weekend.